﻿//    Copyright 2014 LuoZhihui
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//      http://www.apache.org/licenses/LICENSE-2.0
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.

#region  导入名称空间

using System.Collections.Generic;

#endregion

namespace LotteryEngine.Infrastructure.Domain
{
	public abstract class EntityBase<TId>
	{
		private readonly List<BusinessRule> _brokenRules = new List<BusinessRule>();

		public virtual TId Id { get; set; }

		protected virtual void Validate()
		{
		}

		public virtual IEnumerable<BusinessRule> GetBrokenRules()
		{
			_brokenRules.Clear();
			Validate();
			return _brokenRules;
		}

		protected virtual void AddBrokenRule(BusinessRule businessRule)
		{
			_brokenRules.Add(businessRule);
		}

		public override bool Equals(object entity)
		{
			return entity is EntityBase<TId> && this == (EntityBase<TId>) entity;
		}

		public override int GetHashCode()
		{
			return Id.GetHashCode();
		}

		public static bool operator ==(EntityBase<TId> entity1,
			EntityBase<TId> entity2)
		{
			if ((object) entity1 == null && (object) entity2 == null)
			{
				return true;
			}

			if ((object) entity1 == null || (object) entity2 == null)
			{
				return false;
			}

			return entity1.Id.ToString() == entity2.Id.ToString();
		}

		public static bool operator !=(EntityBase<TId> entity1,
			EntityBase<TId> entity2)
		{
			return !(entity1 == entity2);
		}
	}
}